Home / 1,274,457.72-1,757,856.01-838,736.25

Finding the Fourth Proportional to 1,274,457.72, 1,757,856.01 and 838,736.25

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Solution

The fourth proportional to 1,274,457.72, 1,757,856.01 and 838,736.25 is: 1,156,866.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,457.72 : 1,757,856.01 = 838,736.25 : x
  2. Step 2: Convert to fraction form
    1,274,457.72/1,757,856.01 = 838,736.25/x
  3. Step 3: Cross multiply
    1,274,457.72x = 1,757,856.01 × 838,736.25
  4. Step 4: Simplify right side
    1,274,457.72x = 1,474,377,557,867.36
  5. Step 5: Solve for x
    x = 1,474,377,557,867.36/1,274,457.72
  6. Step 6: Final answer
    x = 1,156,866.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.